Analysis

  • max time kernel
    180s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-11-2024 23:46

General

  • Target

    CERTIFICADO DE DEPOSITO JUDICIAL.exe

  • Size

    4.2MB

  • MD5

    92d332649b2988f19343cc654634813a

  • SHA1

    35633a70e00bb9ddad433276c0d4c85ecd6e3974

  • SHA256

    1cb11f58b364c6049d87ce1064472d9e0f6c47455e0b42454cfc9d48c24493dd

  • SHA512

    9e59623193253b212af34fa84b69f237d8de84221706ebcab0a6af195c2ec2b7bc4ee4a2f287fdb67e1d51bbbe7ce813cdb1f36d93216ca875b1b5c2081c4e51

  • SSDEEP

    49152:LR28UtN5sFpdJE2dNzk6YUiKYCuOpHoG4HLL0ibq59dXuzLvo4wA83W7JSfaTIF6:3o0A2fDl2hOpHoxrYibq9I

Malware Config

Extracted

Family

remcos

Botnet

DNS

C2

LUNAPETRO.chickenkiller.com:1991

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-QPU8J1

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Remcos family
  • Adds Run key to start application 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CERTIFICADO DE DEPOSITO JUDICIAL.exe
    "C:\Users\Admin\AppData\Local\Temp\CERTIFICADO DE DEPOSITO JUDICIAL.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2500
    • C:\Users\Admin\AppData\Local\Temp\CERTIFICADO DE DEPOSITO JUDICIAL.exe
      "C:\Users\Admin\AppData\Local\Temp\CERTIFICADO DE DEPOSITO JUDICIAL.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    71df0de18cd8920d58a177f944202c92

    SHA1

    204a2bbe898d2fd9f171b97a537f1e752be38876

    SHA256

    a8033cd553a0e4f177e5514a1824d974bc9415fcaee685a6e6fba29fdffc960f

    SHA512

    81c69d33ae1c9a9dd05516810a881ade23b5ab31b010a573b4f76467c6dccca24ce5c63f615bbdf50bce304dc41b23f4bdba6ae61fca84254365792105e8c515

  • memory/2500-12-0x0000000000400000-0x000000000083F000-memory.dmp

    Filesize

    4.2MB

  • memory/2500-0-0x0000000000400000-0x000000000083F000-memory.dmp

    Filesize

    4.2MB

  • memory/2500-4-0x0000000000400000-0x000000000083F000-memory.dmp

    Filesize

    4.2MB

  • memory/2500-5-0x0000000000400000-0x000000000083F000-memory.dmp

    Filesize

    4.2MB

  • memory/2500-6-0x0000000000400000-0x000000000083F000-memory.dmp

    Filesize

    4.2MB

  • memory/2500-3-0x0000000000400000-0x000000000083F000-memory.dmp

    Filesize

    4.2MB

  • memory/2500-14-0x0000000000400000-0x000000000083F000-memory.dmp

    Filesize

    4.2MB

  • memory/2500-28-0x000000000046D000-0x0000000000485000-memory.dmp

    Filesize

    96KB

  • memory/2500-1-0x000000000046D000-0x0000000000485000-memory.dmp

    Filesize

    96KB

  • memory/3000-7-0x00000000001C0000-0x000000000023F000-memory.dmp

    Filesize

    508KB

  • memory/3000-17-0x00000000001C0000-0x000000000023F000-memory.dmp

    Filesize

    508KB

  • memory/3000-11-0x00000000001C0000-0x000000000023F000-memory.dmp

    Filesize

    508KB

  • memory/3000-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3000-21-0x0000000000400000-0x000000000083F000-memory.dmp

    Filesize

    4.2MB

  • memory/3000-22-0x00000000001C0000-0x000000000023F000-memory.dmp

    Filesize

    508KB

  • memory/3000-23-0x00000000001C0000-0x000000000023F000-memory.dmp

    Filesize

    508KB

  • memory/3000-24-0x00000000001C0000-0x000000000023F000-memory.dmp

    Filesize

    508KB

  • memory/3000-25-0x00000000001C0000-0x000000000023F000-memory.dmp

    Filesize

    508KB

  • memory/3000-16-0x00000000001C0000-0x000000000023F000-memory.dmp

    Filesize

    508KB

  • memory/3000-20-0x00000000001C0000-0x000000000023F000-memory.dmp

    Filesize

    508KB

  • memory/3000-34-0x00000000001C0000-0x000000000023F000-memory.dmp

    Filesize

    508KB

  • memory/3000-35-0x00000000001C0000-0x000000000023F000-memory.dmp

    Filesize

    508KB

  • memory/3000-42-0x00000000001C0000-0x000000000023F000-memory.dmp

    Filesize

    508KB

  • memory/3000-50-0x00000000001C0000-0x000000000023F000-memory.dmp

    Filesize

    508KB

  • memory/3000-51-0x00000000001C0000-0x000000000023F000-memory.dmp

    Filesize

    508KB

  • memory/3000-66-0x00000000001C0000-0x000000000023F000-memory.dmp

    Filesize

    508KB

  • memory/3000-67-0x00000000001C0000-0x000000000023F000-memory.dmp

    Filesize

    508KB